| Term | Definition |
|---|
| structure | good ______ is important for plant growth in any soil which has substantial content of clay and/or slit |
| structural | if the soil is subject to machinery use and/or cultivation, ______ strength is important, so that structure will not deteriorate under stresses imposed by tractors and implements and even by raindrop impact |
| clay | you must maintain an adequate Ca^2+ to keep the ___ flocculated |
| organic | you must make sure soil contains some _____ matter, which can contribute to aggregate strength by bonding soil particles together |
| water | fine-pore space, results in reduction of soil's ability to retain ____ and ability to allow rooting |
| large | ____ pores are important for soil drainage and aeration |
| medium | _____ pores are important for root penetration |
| plant | lack of structure in clay soil might be disastrous for _____ growth, because a massive clay lacks sufficient number of medium and large pores (no roots, no water) |
| small | _____ pores are important for water retention |
| structure | soil _____ is the arrangement of soil particles into units, characterized by size, shape and strength |
Combine with other sets
Share on Facebook
Share on MySpace
!